diff --git a/core/src/com/unciv/logic/trade/TradeEvaluation.kt b/core/src/com/unciv/logic/trade/TradeEvaluation.kt
index b15094edd8..140bdc1794 100644
--- a/core/src/com/unciv/logic/trade/TradeEvaluation.kt
+++ b/core/src/com/unciv/logic/trade/TradeEvaluation.kt
@@ -338,7 +338,10 @@ class TradeEvaluation {
             val percentageAdvantage = absoluteAdvantage / theirCombatStrength.toFloat()
             // We don't add the same constraint here. We should not make peace easily if we're
             // heavily advantaged.
-            return (absoluteAdvantage * percentageAdvantage).toInt() * 10
+            val totalAdvantage = (absoluteAdvantage * percentageAdvantage).toInt() * 10
+            if(totalAdvantage < 0) //May be a negative number if strength disparity is such that it leads to integer overflow
+                return 10000    //in that rare case, the AI would accept peace against a defeated foe.
+            return totalAdvantage
         } else {
             // This results in huge values for large power imbalances. However, we should not give
             // up everything just because there is a big power imbalance. There's a better chance to